Holmes, A. (1944). Principles of physical geology. Thomas Nelson.
Chicagoスタイル(17版)引用形式Holmes, Arthur. Principles of Physical Geology. London: Thomas Nelson, 1944.
MLA(9版)引用形式Holmes, Arthur. Principles of Physical Geology. Thomas Nelson, 1944.
警告: この引用は必ずしも正確ではありません.